Home / 161,938.84-242,935.92-55,316.92

Finding the Fourth Proportional to 161,938.84, 242,935.92 and 55,316.92

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Solution

The fourth proportional to 161,938.84, 242,935.92 and 55,316.92 is: 82,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.84 : 242,935.92 = 55,316.92 : x
  2. Step 2: Convert to fraction form
    161,938.84/242,935.92 = 55,316.92/x
  3. Step 3: Cross multiply
    161,938.84x = 242,935.92 × 55,316.92
  4. Step 4: Simplify right side
    161,938.84x = 13,438,466,851.77
  5. Step 5: Solve for x
    x = 13,438,466,851.77/161,938.84
  6. Step 6: Final answer
    x = 82,984.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.